[
  {
    "Type": "PhysicalMaterial",
    "Name": "PM_Grass",
    "Class": "UScriptClass'PhysicalMaterial'",
    "Flags": "RF_Public | RF_Standalone | RF_Transactional | RF_WasLoaded | RF_LoadCompleted",
    "Properties": {
      "Density": 0.5,
      "SurfaceType": "EPhysicalSurface::SurfaceType5"
    }
  }
]